Native to:
Alabama,
Andaman Is.,
Angola,
Argentina Northeast,
Assam,
Bangladesh,
Benin,
Bismarck Archipelago,
Bolivia,
Botswana,
Brazil Northeast,
Brazil Southeast,
Brazil West-Central,
Burkina,
Burundi,
California,
Cambodia,
Cameroon,
Caroline Is.,
Central African Repu,
Chad,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Comoros,
Costa Rica,
Cuba,
East Himalaya,
Ecuador,
El Salvador,
Ethiopia,
Florida,
French Guiana,
Gabon,
Ghana,
Guatemala,
Guinea,
Guyana,
Hainan,
Haiti,
Honduras,
India,
Iraq,
Ivory Coast,
Jamaica,
Japan,
Jawa,
Kenya,
Korea,
Laos,
Lesser Sunda Is.,
Liberia,
Louisiana,
Madagascar,
Malaya,
Mali,
Marianas,
Mexico Gulf,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mississippi,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
Nicaragua,
Nicobar Is.,
Nigeria,
Northern Territory,
Oman,
Panamá,
Paraguay,
Peru,
Philippines,
Puerto Rico,
Queensland,
Saudi Arabia,
Senegal,
Seychelles,
Sierra Leone,
Socotra,
Solomon Is.,
Somalia,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Suriname,
Swaziland,
Taiwan,
Tanzania,
Texas,
Thailand,
Trinidad-Tobago,
Uganda,
Venezuela,
Vietnam,
West Himalaya,
Western Australia,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Austria,
Fiji,
Hawaii,
Romania